#2A4DA3#2A4DA3

#2A4DA3 is a dark, vivid blue. Relative luminance 0.084; OKLCH L 44.5% C 0.145 H 264.5°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#2A4DA3
RGB	rgb(42, 77, 163)
HSL	hsl(223, 59%, 40%)
HSV	hsv(223, 74%, 64%)
CMYK	cmyk(74.2%, 52.8%, 0%, 36.1%)
CIE-LAB	lab(34.89, 18.39, -50.22)
CIE-LCH	lch(34.89, 53.48, 290.11°)
OKLab	oklab(44.52% -0.0139 -0.1445)
OKLCH	oklch(44.52% 0.145 264.5)
XYZ	xyz(10.2172, 8.4432, 35.7345)
Luminance	0.0844 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A4DA3 #A3802A

analogous

#2A89A3 #2A4DA3 #442AA3

triadic

#2A4DA3 #A32A4D #4DA32A

tetradic

#2A4DA3 #A32A89 #A3802A #2AA344

square

#2A4DA3 #A32A89 #A3802A #2AA344

split-complementary

#2A4DA3 #A3442A #89A32A

monochromatic

#111F42 #1D3672 #2A4DA3 #3D67CD #6E8DDA

Accessibility & contrast

On white

7.81

#2A4DA3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#2A4DA3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A4DA3

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A4DA3	#FFFFFF	#000000	##FFFFFF
##2A4DA3	1.00	7.81	2.69	7.81
#FFFFFF	7.81	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1358A6

Deuteranopia (green-blind)

#004DA1

Tritanopia (blue-blind)

#006270

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2a4da3;
/* rgb */ color: rgb(42, 77, 163);
/* oklch */ color: oklch(44.5% 0.145 264.5);

Tailwind

colors: {
  custom: {
    50: '#747ebf',
    500: '#2a4da3',
    950: '#000000',
  },
}

SCSS

$custom: #2a4da3;
$custom-light: #747ebf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a4da3",
  "rgb": {
    "r": 42,
    "g": 77,
    "b": 163
  },
  "hsl": {
    "h": 222.645,
    "s": 59.024,
    "l": 40.196
  },
  "oklch": {
    "l": 0.44521,
    "c": 0.14513,
    "h": 264.5
  },
  "luminance": 0.08444
}

Semantic roles & 50–950 ramp

primary

#2A4DA3

secondary

#C0A768

accent

#B546E2

background

#F7F7FB

surface

#EEEEF7

border

#C9C9D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #2A4DA3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →